KMID : 1021220100010020113
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±¹Á¦¹°¸®Ä¡·áÇÐȸÁö 2010 Volume.1 No. 2 p.113 ~ p.119
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Difference of Pinch Strength According to Testing Posture and Various Flexion Degree of Elbow Joint
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Lee Hang-Eun
Yang Jin-Kyu Son Jin-Hee Hwang Bo-Young Kim Mun-Kyo Ha Mi-Suk Kim Jae-Heon
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Abstract
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The purpose of this study was to determine the difference of the pinch strength according to testing posture(standing and sitting) and elbow flexion degree(0¡£, 45¡£, 90¡£and 135¡£). Forty normal young adults(male: 20, female: 20, mean age: 22.68¡¾2.91 years) participated in this study. The methods of this study were categorized as follows: 1) One set of measurement was performed on four elbow flexion degrees(0¡£, 45¡£, 90¡£and 135¡£) in two testing postures(standing and sitting) and all subjects were measured for 3 sets testing procedures in every experimental sessions. 2) Pinch strength in various elbow flexion degree was measured after 2 min rest time, and then each test set was repeatedly performed with 5 min rest time to prevent fatigue of muscles involved in the elbow joint. The result was obtained as follow: 1) In standing posture, there was statistically significant difference at 0¡£and 45¡£, 0¡£and 90¡£, 0¡£and 135¡£, 45¡£and 90¡£, 45¡£and 135¡£, 90¡£and 135¡£. 2) In sitting posture, there was statistically significant difference at 0¡£and 45¡£, 0¡£and 90¡£, 0¡£and 135¡£, 45¡£and 90¡£, 45¡£and 135¡£, 90¡£and 135¡£. 3) Statistically, there was no significant difference between standing and sitting posture in same elbow flexion degree, however pinch strength in standing posture was higher than sitting posture.
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KEYWORD
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Pinch Strength, Elbow Flexion Degree, Testing Posture
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